1.
A solid is...
Correct Answer
A. Incompressible
2.
A solid has a...
Correct Answer
A. Fixed shape
3.
A solid has a...
Correct Answer
A. Fixed volume
4.
A solid has...
Correct Answer
A. Strong intermolecular interactions
5.
A liquid is...
Correct Answer
A. Incompressible
6.
A liquid has a...
Correct Answer
A. Fixed volume
7.
A liquid has...
Correct Answer
B. Some intermolecular sources
8.
A gas is...
Correct Answer
B. Easily compressible
9.
A liquid has a...
Correct Answer
B. Variable shape
10.
A gas has a...
Correct Answer
B. Variable shape
11.
A gas has...
Correct Answer
C. No molecular forces
12.
A gas has a...
Correct Answer
B. Variable volume
13.
Observed when a substance undergoes a change in composition.
Correct Answer
chemical change
14.
A conversion in the state of matter without undergoing a change in composition.
Correct Answer
physical change
15.
The capacity to do work
Correct Answer
energy
16.
_________ and ________ are always a product of a combustion reaction
Correct Answer
CO2 and H2O
CO2 & H2O
H2O and CO2
H2O & CO2
carbon dioxide and water
carbon dioxide & water
water and carbon dioxide
water & carbon dioxide
17.
Heat always flows from a ______ temperature to a ______ temperature.
Correct Answer
B. Higher; lower
18.
The bond energy (potential energy) of the products will always be _______ the bond energy (potential energy) of the reactants.
Correct Answer
B. Less than
19.
In a chemical reaction, the reactants are ________ of a chemical reaction.
Correct Answer
A. The initial substances
20.
In a chemical reaction, the products are _________ of a chemical reaction.
Correct Answer
B. The final substances
21.
A measure of how fast molecules are moving
Correct Answer
Temperature
22.
A femto (f) is...
Correct Answer
H. 10^(-15)
23.
A milli (m) is...
Correct Answer
D. 10^(-3)
24.
A pico (p) is...
Correct Answer
G. 10^(-12)
25.
A deci (d) is...
Correct Answer
B. 10^(-1)
26.
A micro (μ) is...
Correct Answer
E. 10^(-6)
27.
A centi (c) is...
Correct Answer
C. 10^(-2)
28.
A nano (n) is...
Correct Answer
F. 10^(-9)
29.
____ cm = 1 inch
Correct Answer
2.54
30.
Is density a physical or chemical property?
Correct Answer
A. Physical
31.
Is melting point a physical or chemical property?
Correct Answer
A. Physical
32.
Is boiling point a physical or chemical property?
Correct Answer
A. Physical
33.
A property that a substance displays without changing its composition.
Correct Answer
physical property
34.
A property that a substance displays only by changing its composition via a chemical change.
Correct Answer
chemical property
35.
Is corrosiveness a physical or chemical property?
Correct Answer
B. Chemical
36.
Is flammability a physical or chemical property?
Correct Answer
B. Chemical
37.
Is acidity a physical or chemical property
Correct Answer
B. Chemical
38.
Is toxicity a physical or chemical property?
Correct Answer
B. Chemical
39.
A homogeneous mixture of liquids can usually be separated by ____________, a process in which the mixture is heated to boil off the more volatile liquid.
Correct Answer
distillation
40.
We can separate a mixture of sand and water by _________ - carefully pouring off - the water into another container.
Correct Answer
decanting
decant
41.
If a mixture is composed of an insoluble solid and a liquid, we can separate the two by __________, in which the mixture is poured through filter paper in a funnel.
Correct Answer
filtration
42.
A solid in which its atoms or molecules are in patterns with long-range, repeating order. Examples would include table salt and diamond crystals
Correct Answer
crystalline
43.
A solid in which its atoms or molecules do not have any long-range order. Examples would include glass and plastic.
Correct Answer
Amorphous
44.
A tentative interpretation or explanation of observations. A good one is considered to be falsifiable, which means that it makes predictions that can be confirmed or refuted.
Correct Answer
A. Hypothesis
45.
A brief statement that summarizes past observations and predicts future ones. They describe how nature behaves-they are generalizations about what nature does.
Correct Answer
B. Scientific law
46.
A model for the way nature is. It tries to explain not merely what nature does, but why.
Correct Answer
C. Theory
47.
The energy associated with an object's motion.
Correct Answer
Kinetic energy
kinetic
48.
The energy associated with an object's position or composition.
Correct Answer
potential energy
potential
49.
The unit of measurement of mass.
Correct Answer
kilogram
kg
kilograms
50.
The unit of measurement of time
Correct Answer
second
seconds
s